<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <script src="https://cdn.bootcss.com/jquery/3.3.1/core.js"></script>
    <!-- 最新版本的 Bootstrap 核心 CSS 文件 -->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">

<!-- 可选的 Bootstrap 主题文件（一般不用引入） -->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/css/bootstrap-theme.min.css" integrity="sha384-rHyoN1iRsVXV4nD0JutlnGaslCJuC7uwjduW9SVrLvRYooPp2bWYgmgJQIXwl/Sp" crossorigin="anonymous">

<!-- 最新的 Bootstrap 核心 JavaScript 文件 -->
<script src="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>

    <style>
        #text1{
            width:50%;
        }
        .form-group{    
            width: 100%;
            height: 70px;
            background-color: rgb(134, 134,134)
        }
        .col-md-6{
            padding-left: 20px;
            padding-top: 10px;
        }
        .col-md-4{
            background-color: black;
            padding-right: 10px;
            
        }
        p{
            color: #ffffff;
        }
        h1{
            color: #ffffff;
        }
        #three{
            padding: 10px;
        }

    </style>
</head>
<body>
    <div id="all">
    <form class="form-inline">
        <div class="form-group">
          <label class="sr-only" for="text1"></label>
          <div class="col-md-6">
            <input type="text" class="form-control" id="text1" placeholder="Search Our Website & Products">
        <button type="submit" class="btn btn-primary"><span class="glyphicon glyphicon-search" aria-hidden="true"></span></button>
          </div>
        </div>
      </form>
      <div id="three">
            <div class="col-md-4">
                <h1>Sleek</h1>
                <p>Lorem ipsum dolor sit amet,consectetur adipiscing elit.Aenean pharetra vanus maxirnus.Cras condimentum porttitor enim a egestas.Suspendisse potenti</p>
                <button type="button" class="btn btn-default">Read More</button>
            </div>
            <div class="col-md-4">
                    <h1>Responsive</h1>
                    <p>Lorem ipsum dolor sit amet,consectetur adipiscing elit.Aenean pharetra vanus maxirnus.Cras condimentum porttitor enim a egestas.Suspendisse potenti</p>
                    <button type="button" class="btn btn-default">Read More</button>
                </div>
                <div class="col-md-4">
                        <h1>Clean</h1>
                        <p>Lorem ipsum dolor sit amet,consectetur adipiscing elit.Aenean pharetra vanus maxirnus.Cras condimentum porttitor enim a egestas.Suspendisse potenti</p>
                        <button type="button" class="btn btn-default">Read More</button>
                    </div>
      </div>
    </div>
</body>
</html>